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</pre><pre class="rust ">
<span class="comment">// topic.rs</span>
<span class="comment">// </span>
<span class="comment">// A set of message parameters to repeatedly publish to the same topic.</span>
<span class="comment">//</span>
<span class="comment">// This file is part of the Eclipse Paho MQTT Rust Client library.</span>
<span class="comment">//</span>

<span class="comment">/*******************************************************************************
 * Copyright (c) 2017 Frank Pagliughi &lt;fpagliughi@mindspring.com&gt;
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v1.0 which accompany this distribution.
 *
 * The Eclipse Public License is available at
 *    http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 *   http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *    Frank Pagliughi - initial implementation and documentation
 *******************************************************************************/</span>


<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">sync</span>::{<span class="ident">Arc</span>};
<span class="comment">//use ffi;</span>
<span class="kw">use</span> <span class="ident">async_client</span>::{<span class="ident">AsyncClient</span>,<span class="ident">DeliveryToken</span>};
<span class="kw">use</span> <span class="ident">message</span>::<span class="ident">Message</span>;
<span class="comment">//use errors::{MqttResult};</span>

<span class="comment">/////////////////////////////////////////////////////////////////////////////</span>
<span class="comment">//								Topic</span>
<span class="comment">/////////////////////////////////////////////////////////////////////////////</span>

<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Topic</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span><span class="op">&gt;</span> {
	<span class="ident">cli</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;a</span> <span class="ident">AsyncClient</span>,
	<span class="ident">topic</span>: <span class="ident">String</span>,
	<span class="ident">qos</span>: <span class="ident">i32</span>,
	<span class="ident">retained</span>: <span class="ident">bool</span>,
}

<span class="kw">impl</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span><span class="op">&gt;</span> <span class="ident">Topic</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span><span class="op">&gt;</span> 
{
	<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">cli</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;a</span> <span class="ident">AsyncClient</span>, <span class="ident">topic</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>, <span class="ident">qos</span>: <span class="ident">i32</span>) <span class="op">-&gt;</span> <span class="ident">Topic</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span><span class="op">&gt;</span> {
		<span class="ident">Topic</span> {
			<span class="ident">cli</span>,
			<span class="ident">topic</span>: <span class="ident">topic</span>.<span class="ident">to_string</span>(),
			<span class="ident">qos</span>,
			<span class="ident">retained</span>: <span class="bool-val">false</span>,
		}
	}

	<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">publish</span><span class="op">&lt;</span><span class="ident">V</span><span class="op">&gt;</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">payload</span>: <span class="ident">V</span>) <span class="op">-&gt;</span> <span class="ident">Arc</span><span class="op">&lt;</span><span class="ident">DeliveryToken</span><span class="op">&gt;</span>
		<span class="kw">where</span> <span class="ident">V</span>: <span class="ident">Into</span><span class="op">&lt;</span><span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">u8</span><span class="op">&gt;&gt;</span>
	{
		<span class="kw">let</span> <span class="ident">msg</span> <span class="op">=</span> <span class="ident">Message</span>::<span class="ident">new</span>(<span class="kw-2">&amp;</span><span class="self">self</span>.<span class="ident">topic</span>, <span class="ident">payload</span>, <span class="self">self</span>.<span class="ident">qos</span>);
		<span class="self">self</span>.<span class="ident">cli</span>.<span class="ident">publish</span>(<span class="ident">msg</span>)
	}
}


</pre>
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